课件28张PPT。外研版
高二年级(选修6)
Module 6Module 6 War and Peace虚拟语气(2) 虚拟语气表示说话人所说的不是事实, 而是想象, 假设, 建议, 打算, 意见, 间接命令, 愿望, 怀疑, 推测, 惊异等。虚拟语气在条件从句及主句中的使用:
1) If the hurricane had happened during the day time, there would have been more deaths. 如果飓风发生在白天,那么死亡的人数会更多。2) If everyone in the country knew first aid, many lives would be saved. 如果这个国家的每个人都懂得急救, 那么许多生命就可以得到挽救。
3) If I saw him tomorrow, I should tell him. 如果我明天看到他, 我会告诉他的。 1) 与过去事实相反:
从句 had done, 主句would/ should/ could/ might/+have done
e.g. 如果有人提醒他, 他就不会吃那些 食物了。 If he had been warned, he would not have taken that food.条件状语从句中虚拟语气的构成2) 与现在事实相反:
从句did/ were, 主句would/ should/ could/ might + do
e.g. 如果我是你, 我就拒绝做这件事。 If I were you, I would refuse to do it. 从句a. did
b. should + do,
c. were to +do主句would/ should/ could/ might + do3) 与将来事实相反:e.g. 如果我去做这件事, 我将会用一种不同的方法
If I did it, I would do it in a different way.
If I should do it, I would do it in a different way.
If I were to do it, I would do it in a different way.虚拟语气在宾语从句中的用法
在动词: suggest, order, demand, propose, request, command, insist 等后的宾语从句中, 用虚拟语气(即should + do或者只用动词原形do),来表示愿望,建议,命令,请求等。 e.g. The doctor insisted that the
patient (should) be X-rayed.
医生坚决主张病人做X光。
I suggest that we (should) set off
at once.
我建议我们应该立即出发。wish +宾语从句(虚拟语气), 表示不可能实现的愿望1) 与过去事实相反, 从句用过去完成式:had done
2) 与现在事实相反, 从句用过去式:did/ were
3) 与将来事实相反, 从句用should/ would/ could/ might +doe.g. 我真希望我从来没遇到过他。
I wish I had never met him.
我真希望像你一样强壮。 I wish I were as strong as you.
但愿你这次获得成功。 I wish you would succeed this time.as if 引导的方式状语从句常用虚拟语气1) 当从句里的时间先于主句的时间时,从句用过去完成时 had done。
e.g. He talks as if he had been to the moon.
他高谈阔论就好像去过月球一
样。2) 当从句里的时间与主句的时间是同一时间时,从句用过去式did/ were。
e.g. He talked as if he were Napoleon.
他说话的时候就好像他是拿破伦
一 样。
3) 当从句里的时间后于主句的时间时, 从句用would do。
e.g. He talked as if he would go to the moon.
他高谈阔论就好像要去月球一样。 would rather 后接从句,也可用虚拟语气1) 叙述现在或将来的事情, 从句谓语动词用过去式。 如:
I would rather you stayed here.
我宁愿你待在这。
I would rather he came tomorrow.
我宁愿他明天回来。
2) 叙述过去的事情,表达实际上并未发生愿望时,从句用过去完成时。如:
I would rather he had come yesterday.
我宁愿他昨天回来。It is time that 虚拟形式 It is (high/ about) time that + 从句(过去式)
e.g. It is high time that you caught the bus.
是时候你刚好赶上公共汽车。
It is high time that we took actions
to keep peace in the whole world.
是时候我们该采取行动维护世界和平
了。1. The idea is that the nation _____ an unmanned spacecraft to explore the planet first.A. sent??? B. sends C. send??? D. must send练习坊2. It’s high time you ______. A. start to work B. would start to work??? C. started to work D. had started to work 3. We required that the machine parts ______ cast iron.A. is made of B. be made from C. be made of D. is made by4. The management urged that the cost of production ____.A. to be further reduced B. was further reduced? C. be further reduced D. should further reduced
5. “She wouldn’t drink her medicine last night, would she?”“______.”A. No, but I wish she wouldn’t B. No, but I wish she had C. Yes, I wish she drank D. yes, I wish she could6. “Your performance was very good.” “I could have done better if I ______ more time.”A. have had?? B. had C. had had?? D. will have had7. It is strange that such a thing ___ in your school.A. will happen?? B. happens C. should happen??? D. happened
8. Dr Bethune worked hard as if he ______.A. never had felt tired B. had never felt tired C. never felt tired D. was tired neverFinish the exercises